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401231204 = 221179115429
BaseRepresentation
bin10111111010100…
…100110101100100
31000221222122201222
4113322210311210
51310203344304
6103451435512
712641260163
oct2772446544
91027878658
10401231204
11196536a40
12b2455b98
1365182b1a
143b4053da
15253584be
hex17ea4d64

401231204 has 24 divisors (see below), whose sum is σ = 775689600. Its totient is φ = 180067680.

The previous prime is 401231203. The next prime is 401231209. The reversal of 401231204 is 402132104.

Adding to 401231204 its reverse (402132104), we get a palindrome (803363308).

It is not an unprimeable number, because it can be changed into a prime (401231203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54239 + ... + 61190.

It is an arithmetic number, because the mean of its divisors is an integer number (32320400).

Almost surely, 2401231204 is an apocalyptic number.

401231204 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

401231204 is a deficient number, since it is larger than the sum of its proper divisors (374458396).

401231204 is a wasteful number, since it uses less digits than its factorization.

401231204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115523 (or 115521 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 401231204 is about 20030.7564510180. The cubic root of 401231204 is about 737.5614911479.

The spelling of 401231204 in words is "four hundred one million, two hundred thirty-one thousand, two hundred four".

Divisors: 1 2 4 11 22 44 79 158 316 869 1738 3476 115429 230858 461716 1269719 2539438 5078876 9118891 18237782 36475564 100307801 200615602 401231204